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Finding the Fourth Proportional to 185,338, 255,770.37 and 104,760.72

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Solution

The fourth proportional to 185,338, 255,770.37 and 104,760.72 is: 144,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,338 : 255,770.37 = 104,760.72 : x
  2. Step 2: Convert to fraction form
    185,338/255,770.37 = 104,760.72/x
  3. Step 3: Cross multiply
    185,338x = 255,770.37 × 104,760.72
  4. Step 4: Simplify right side
    185,338x = 26,794,688,115.87
  5. Step 5: Solve for x
    x = 26,794,688,115.87/185,338
  6. Step 6: Final answer
    x = 144,572.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.